The case of the assumption of seventh grade students of the Olonets gymnasium to study the device of telegraphs at the Petrozavo...

Title The case of the assumption of seventh grade students of the Olonets gymnasium to study the device of telegraphs at the Petrozavodsk Telegraph Station
Series Callery of secondary educational institutions of the Department of Education for 1831-1872
Fonds Department of Education of the Ministry of Education
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